PIONEER ENERGY SVCS CORP

CUSIP: 723664108 Class: COM

HBK INVESTMENTS L P's Holding History (CIK: 0001011443)

Note: Option positions (PUT/CALL) are excluded.

Q3 2015
Shares 131,814 Value ($000) $277 Avg Close — Range —
Q2 2015
Shares 290,300 Value ($000) $1,841 Avg Close — Range —
Q1 2015
Shares 247,605 Value ($000) $1,342 Avg Close — Range —
Q4 2014
Shares 247,605 Value ($000) $1,372 Avg Close — Range —
Q3 2014
Shares 260,485 Value ($000) $3,652 Avg Close — Range —
Q2 2014
Shares 208,800 Value ($000) $3,662 Avg Close — Range —
Q1 2014
Shares 74,400 Value ($000) $963 Avg Close — Range —
Q4 2013
Shares 64,500 Value ($000) $517 Avg Close — Range —
Q3 2013
Shares 69,423 Value ($000) $521 Avg Close — Range —
Q2 2013
Shares 76,239 Value ($000) $505 Avg Close — Range —